3859897 has 4 divisors (see below), whose sum is σ = 3923236. Its totient is φ = 3796560.

The previous prime is 3859879. The next prime is 3859927. The reversal of 3859897 is 7989583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92416 + 3767481 = 304^2 + 1941^2 .

It is a cyclic number.

It is not a de Polignac number, because 3859897 - 2⁷ = 3859769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3859897.

It is not an unprimeable number, because it can be changed into a prime (3859847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31578 + ... + 31699.

It is an arithmetic number, because the mean of its divisors is an integer number (980809).

Almost surely, 2^3859897 is an apocalyptic number.

It is an amenable number.

3859897 is a deficient number, since it is larger than the sum of its proper divisors (63339).

3859897 is an equidigital number, since it uses as much as digits as its factorization.

3859897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63338.

The product of its digits is 544320, while the sum is 49.

The square root of 3859897 is about 1964.6620574542. The cubic root of 3859897 is about 156.8647055461.

The spelling of 3859897 in words is "three million, eight hundred fifty-nine thousand, eight hundred ninety-seven".